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11115342151 is a prime number
BaseRepresentation
bin10100101101000011…
…01010100101000111
31001200122110212220221
422112201222211013
5140231011422101
65034544205211
7542306564224
oct122641524507
931618425827
1011115342151
114794359091
1221a2609807
131081ab0444
1477633694b
15450c74aa1
hex29686a947

11115342151 has 2 divisors, whose sum is σ = 11115342152. Its totient is φ = 11115342150.

The previous prime is 11115342149. The next prime is 11115342157. The reversal of 11115342151 is 15124351111.

It is a weak prime.

It is an emirp because it is prime and its reverse (15124351111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11115342151 - 21 = 11115342149 is a prime.

It is a super-2 number, since 2×111153421512 (a number of 21 digits) contains 22 as substring.

Together with 11115342149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11115342157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557671075 + 5557671076.

It is an arithmetic number, because the mean of its divisors is an integer number (5557671076).

Almost surely, 211115342151 is an apocalyptic number.

11115342151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115342151 is an equidigital number, since it uses as much as digits as its factorization.

11115342151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 25.

Adding to 11115342151 its reverse (15124351111), we get a palindrome (26239693262).

The spelling of 11115342151 in words is "eleven billion, one hundred fifteen million, three hundred forty-two thousand, one hundred fifty-one".